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David Williams
Global Director of Sales, Research
David Williams
Global Director of Sales, Research
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IMS: The Heart of Wireless & Wireline Convergence
Major operators around the world are adopting SIP for next-gen services and see IMS-like subsystems as being important to the creation and control of high-value, real-time IP applications, such as conferencing, messaging, multiplayer games, and VOIP.

This report provides an overview of the components and concepts that make up the IMS architecture and looks at the features of IMS that make it attractive to operators. The types of services likely to be delivered over IMS, and by which types of carriers, are also discussed.

The second half of the report evaluates vendor positioning and strategies for introducing IMS across multiple market sectors.

Sample research data from the report is shown in the excerpts below:
Table of Contents (1104toc.pdf)
The strength of the IP Multimedia Subsystem is its well-defined three-layer architecture, based around a standardized IMS control layer with open interfaces to the transport and application layers, as shown in this diagram:
[click on the image above for the full excerpt]
The market for core IMS elements, such as the Control Session Control Function and Home Subscriber Server, could easily be worth several hundreds of millions of dollars over the next few years.
IMS is also a major strategic play that will "touch" many parts of an operator's next-generation service delivery infrastructure, providing additional revenue opportunities for successful IMS vendors. This table summarizes the launch status of the major vendors in the IMS market today.
[click on the image above for the full excerpt]
Vendors analyzed in this report: Alcatel SA (NYSE: ALA; Paris: CGEP:PA); Ericsson AB (Nasdaq: ERICY); Lucent Technologies Inc. (NYSE: LU); Motorola Inc. (NYSE: MOT); NEC Corp. (Nasdaq: NIPNY; Tokyo: 6701); Nokia Corp. (NYSE: NOK); Nortel Networks Ltd. (NYSE/Toronto: NT); and Siemens AG (NYSE: SI; Frankfurt: SIE).
Total pages: 18
To view reports you will need Adobe's Acrobat Reader. If you do not have it, it can be obtained for free at the Adobe web site.
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